mrs cavanagh, from foyle park in londonderry, had a complex medical history of chronic heart and renal failure..

he said the case could have been more complicated. “everyone’s pain threshold is a little different. an embolization is pretty painful regardless...

yet these drugs are not a "home run," says elizabeth loder, md, a professor of neurology at harvard medical school and chief of the division of headache at brigham & women's hospital.